Leo jungmann



Feb. 1 9, 1929.

L. JUNGMANN GAS IGNITER Filed April l4, 1927 2 Sheets-Sheet l Feb. 19, 1929. 1,702,653

L. J UNGMANN GAS IGNITER Filed April 14, 1927 2 Sheets-Sheet 2 Patented Feb. 19, 1929.

UNITED STATES PATENT OFFICE- GAS mama.

Application filed April 14, 1927, Serial No. 183,741, and in Germany April 24, 1926.

My invention relates to igniters.v and more particularly tothat type of igniters in which sparks are generated by rubbing a steel pin on a surface of soft iron or the like. Igniters of this type are known as pyrophorous igniters, and it is an object of my invention to provide a device of the kind de scribed which may be designed so as to be readily attached to any kitchen range or heater as an independent or permanent fixture, and its torch is always ready for use.

To this end, I design the torch as part of a gas pipe, and I provide a recess in which it is inserted when not in use, its flame being thereby extinguished and the further outflow of gas from the nozzle being arrested.

In a preferred embodiment of my invention, I provide a steel pipe at the end of the torch so that sparks aregenerated by the torch itself when it is moved across a block of pyrophorous material.

In the drawings affixed to this specification and forming part thereof devices embodying my invention are illustrated diagrammatically by way of example.

Figs. 1 and 2 are a plan view and an end elevation, respectively, of a device in which the support for the torch is secured in the vicinity of the nipple for attaching a rubber tube to the burner pipe,

Fig. 3 is a plan view of a device in which the support is arranged at the end of the burner pipe which is opposite the nipple,

Fig. 4 is a sectional elevation of the end of the burner pipe to which the support is secured, and

Fig. 5 is an elevation of the torch, on a larger scale.

Referring now to the drawings, and first to Figs. 1 and 2, the device is illustrated as attached to a normal cooking range a which is only partly shown, 0 is the burner pipe, I) are the burner cocks, e is a nipple for attaching a rubber tube to the burner pipe 0, (Z is a cap at the other end of the burner pipe, and 7) is a small cock secured to the cap and connected with the torch m by a rubber tube 0.

f is a support for the rubbing block or pyrophorous body '5, is a bracket on the support, it is a set screw by which the bracket is held. on the pipe 0. k is a partly conical recess in the support, a is a steel pipe at the end of the torch m, and Z is a conical face on the torch m, which is adapted to fit the conical recess is. The torch is knurled in order to facilitate its handling. It will be understood that this device is an independent fixture which may beattached to any gas burner.

The small cock p at the cap (l of the burner pipe 0 serves for regulating or interrupting, the supply of gas to the torch 772.. When the cock is open,-ga's will flow from the steel pipe n at the end of the torch m and will be ignited by the sparks w'hich-arege'nerated when the steel pipe is moved along the rubbing surface of the block 2', whereupon the burners controlled by coc'ks b may be ignited after their cocks have been opened. I WVhen the torch Z has performed its function it is inserted into the conical recess is of the support 7 by which the flame is extinguished and the flow of gas from the torch is reliably arrested. It will be understood that in this manner the torch is ready for use while the cock 7) is open, and will be lighted as soon as the steel pipe n is moved across the surface of the block 71.

Referring now to Figs. 3 and 4, the support f in which the block 2" is inserted, is combined with the cap of of the burner pipe 0 as a permanent fixture in which the cook 79 is arranged. The construction of the cock 1) is modified as compared with the cook 79 in Figs. 1 and 2. Its plug is hollow equipped with a bore w adapted to make connect-ion with a bore d in the cap (1, and with an axially extending nipple t to which the rubber tube 0 is attached as shown in'dot-an-ddash lines in Fig. 4. u is a pin projecting from the other end of the plug, 4) is a spring surrounding the pin, and q is a sleeve which is secured on the pin it by a nut at so that its cavity encases the spring '2). 3 is a square on the pin a on which a corresponding hole in the head of the sleeve q is seated, and 1' and s are handles for rotating the sleeve. It will be understood that the spring 4; holds the plug of the cook 79 in its seat by the reaction which it exerts on the cap (Z; One of the handles, for instance 1', is so arranged with respect to the relative position of the bore d and the bore w in the cook 79 that it will project above the surface of the block 2" in the support f so that when the torch m to which the rubber tube 0 is connected as described with reference to Figs. 1 and 2, is moved across the surface of the block 6', it will strike the handle and open the cock 1) so that the gas will issue from the torch and be ignited by the generated sparks. A conical recess 70 is provided in the support for the purpose described with reference to Figs. 1 and 2.

I wish it to be understood that I do not desire to be limited to the exact details of construction shown and described for obvious modifications will occur to a person skilled in the art.

I claim 1. A gas igniter comprising a torch, means for supplying gas to said torch, a pipe of hard material at the end of said torch, a support defining a recess in which said torch is adapted to be inserted with said pipe, and a block of a material from which sparks are generated by the friction of said pipe, secured in said support.

2. A gas igniter comprising a torch, a

valve for supplying gas to said torch, a support defining arecess in which said torch is adapted to be inserted, a block of a material from which sparks are generated by the friction of said torch secured in said support, and a projection on said valve extending into the path of said torch when said valve is closed.

3. A fixture for gas heating devices comprising a hollow bracket adapted to be secured on and connected with a gas pipe of the device, a sparking block on said bracket, a torch having a pipe of hard material at one end and adapted to be inserted in a re cess in said bracket, and a valve for connecting said torch to said pipe.

In testimony whereof I afliX my signature.

LEO J UNGMANN 

